package com.neutech.servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

public class SessionlnfoServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        HttpSession session =req.getSession(false);
        if (session != null){
            String sessionId=session.getId();
            String customAttribute=(String) session.getAttribute("customAttribute");
            resp.getWriter().println("Session ID:"+sessionId+"用户属性："+customAttribute);
        }else {
            resp.getWriter().println("没有sessionid");
        }
    }
}
